/Engine/Source/Runtime/MovieScene/Public/Evaluation/MovieSceneEvaluationTree.h
Helper function that creates a new child for the specified parent node
void InsertNewChild ( [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > InEffectiveRange, const [IMovieSceneEvaluationTreeNodeOperator](API\Runtime\MovieScene\Evaluation\IMovieSceneEvaluationTreeNodeOpe-) & InOperator, int32 InsertIndex, [FMovieSceneEvaluationTreeNodeHandle](API\Runtime\MovieScene\Evaluation\FMovieSceneEvaluationTreeNodeHan-) InParent )